Fair Value - Recurring Fair Value Measurements (Details) - Recurring fair value measurements - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Level 1 inputs | ||
| Fair Value, Assets Measured on Recurring Basis | ||
| Fair value of equity investment in TuSimple | $ 0.1 | $ 0.1 |
| Level 2 inputs | ||
| Fair Value, Assets Measured on Recurring Basis | ||
| Fair value of marketable securities | $ 33.8 | $ 41.8 |
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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